The Book of the Leica R-series Cameras: Long, Brian: 9781787112162: Amazon.com: Books
Amazon.com : CamDesign Rear Lens Cap & Body Cap Set Compatible with Leica R Mount Camera R3, R4, R5, R6, R7, R8, R9, Leicaflex SL and Leicaflex SL2 SLR, R, Rom, One-Cam,